package net.minecraft.block;

import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.IStringSerializable;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockLever extends Block {
	public static final PropertyEnum<BlockLever.EnumOrientation> FACING = PropertyEnum.<BlockLever.EnumOrientation>create(
			"facing", BlockLever.EnumOrientation.class);
	public static final PropertyBool POWERED = PropertyBool.create("powered");

	protected BlockLever() {
		super(Material.circuits);
		this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, BlockLever.EnumOrientation.NORTH)
				.withProperty(POWERED, Boolean.valueOf(false)));
		this.setCreativeTab(CreativeTabs.tabRedstone);
	}

	public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) {
		return null;
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	public boolean isFullCube() {
		return false;
	}

	/**
	 * Check whether this Block can be placed on the given side
	 */
	public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, EnumFacing side) {
		return func_181090_a(worldIn, pos, side.getOpposite());
	}

	public boolean canPlaceBlockAt(World worldIn, BlockPos pos) {
		for (EnumFacing enumfacing : EnumFacing.values()) {
			if (func_181090_a(worldIn, pos, enumfacing)) {
				return true;
			}
		}

		return false;
	}

	protected static boolean func_181090_a(World p_181090_0_, BlockPos p_181090_1_, EnumFacing p_181090_2_) {
		return BlockButton.func_181088_a(p_181090_0_, p_181090_1_, p_181090_2_);
	}

	/**
	 * Called by ItemBlocks just before a block is actually set in the world, to
	 * allow for adjustments to the IBlockstate
	 */
	public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ,
			int meta, EntityLivingBase placer) {
		IBlockState iblockstate = this.getDefaultState().withProperty(POWERED, Boolean.valueOf(false));

		if (func_181090_a(worldIn, pos, facing.getOpposite())) {
			return iblockstate.withProperty(FACING,
					BlockLever.EnumOrientation.forFacings(facing, placer.getHorizontalFacing()));
		} else {
			for (Object enumfacing : EnumFacing.Plane.HORIZONTAL) {
				if (enumfacing != facing && func_181090_a(worldIn, pos, ((EnumFacing) enumfacing).getOpposite())) {
					return iblockstate.withProperty(FACING, BlockLever.EnumOrientation
							.forFacings((EnumFacing) enumfacing, placer.getHorizontalFacing()));
				}
			}

			if (World.doesBlockHaveSolidTopSurface(worldIn, pos.down())) {
				return iblockstate.withProperty(FACING,
						BlockLever.EnumOrientation.forFacings(EnumFacing.UP, placer.getHorizontalFacing()));
			} else {
				return iblockstate;
			}
		}
	}

	public static int getMetadataForFacing(EnumFacing facing) {
		switch (facing) {
		case DOWN:
			return 0;

		case UP:
			return 5;

		case NORTH:
			return 4;

		case SOUTH:
			return 3;

		case WEST:
			return 2;

		case EAST:
			return 1;

		default:
			return -1;
		}
	}

	/**
	 * Called when a neighboring block changes.
	 */
	public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock) {
		if (this.func_181091_e(worldIn, pos, state) && !func_181090_a(worldIn, pos,
				((BlockLever.EnumOrientation) state.getValue(FACING)).getFacing().getOpposite())) {
			this.dropBlockAsItem(worldIn, pos, state, 0);
			worldIn.setBlockToAir(pos);
		}
	}

	private boolean func_181091_e(World p_181091_1_, BlockPos p_181091_2_, IBlockState p_181091_3_) {
		if (this.canPlaceBlockAt(p_181091_1_, p_181091_2_)) {
			return true;
		} else {
			this.dropBlockAsItem(p_181091_1_, p_181091_2_, p_181091_3_, 0);
			p_181091_1_.setBlockToAir(p_181091_2_);
			return false;
		}
	}

	public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
		float f = 0.1875F;

		switch ((BlockLever.EnumOrientation) worldIn.getBlockState(pos).getValue(FACING)) {
		case EAST:
			this.setBlockBounds(0.0F, 0.2F, 0.5F - f, f * 2.0F, 0.8F, 0.5F + f);
			break;

		case WEST:
			this.setBlockBounds(1.0F - f * 2.0F, 0.2F, 0.5F - f, 1.0F, 0.8F, 0.5F + f);
			break;

		case SOUTH:
			this.setBlockBounds(0.5F - f, 0.2F, 0.0F, 0.5F + f, 0.8F, f * 2.0F);
			break;

		case NORTH:
			this.setBlockBounds(0.5F - f, 0.2F, 1.0F - f * 2.0F, 0.5F + f, 0.8F, 1.0F);
			break;

		case UP_Z:
		case UP_X:
			f = 0.25F;
			this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.6F, 0.5F + f);
			break;

		case DOWN_X:
		case DOWN_Z:
			f = 0.25F;
			this.setBlockBounds(0.5F - f, 0.4F, 0.5F - f, 0.5F + f, 1.0F, 0.5F + f);
		}
	}

	public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn,
			EnumFacing side, float hitX, float hitY, float hitZ) {
		if (worldIn.isRemote) {
			return true;
		} else {
			state = state.cycleProperty(POWERED);
			worldIn.setBlockState(pos, state, 3);
			worldIn.playSoundEffect((double) pos.getX() + 0.5D, (double) pos.getY() + 0.5D, (double) pos.getZ() + 0.5D,
					"random.click", 0.3F, ((Boolean) state.getValue(POWERED)).booleanValue() ? 0.6F : 0.5F);
			worldIn.notifyNeighborsOfStateChange(pos, this);
			EnumFacing enumfacing = ((BlockLever.EnumOrientation) state.getValue(FACING)).getFacing();
			worldIn.notifyNeighborsOfStateChange(pos.offset(enumfacing.getOpposite()), this);
			return true;
		}
	}

	public void breakBlock(World worldIn, BlockPos pos, IBlockState state) {
		if (((Boolean) state.getValue(POWERED)).booleanValue()) {
			worldIn.notifyNeighborsOfStateChange(pos, this);
			EnumFacing enumfacing = ((BlockLever.EnumOrientation) state.getValue(FACING)).getFacing();
			worldIn.notifyNeighborsOfStateChange(pos.offset(enumfacing.getOpposite()), this);
		}

		super.breakBlock(worldIn, pos, state);
	}

	public int getWeakPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) {
		return ((Boolean) state.getValue(POWERED)).booleanValue() ? 15 : 0;
	}

	public int getStrongPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) {
		return !((Boolean) state.getValue(POWERED)).booleanValue() ? 0
				: (((BlockLever.EnumOrientation) state.getValue(FACING)).getFacing() == side ? 15 : 0);
	}

	/**
	 * Can this block provide power. Only wire currently seems to have this change
	 * based on its state.
	 */
	public boolean canProvidePower() {
		return true;
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(FACING, BlockLever.EnumOrientation.byMetadata(meta & 7))
				.withProperty(POWERED, Boolean.valueOf((meta & 8) > 0));
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		int i = 0;
		i = i | ((BlockLever.EnumOrientation) state.getValue(FACING)).getMetadata();

		if (((Boolean) state.getValue(POWERED)).booleanValue()) {
			i |= 8;
		}

		return i;
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { FACING, POWERED });
	}

	public static enum EnumOrientation implements IStringSerializable {
		DOWN_X(0, "down_x", EnumFacing.DOWN), EAST(1, "east", EnumFacing.EAST), WEST(2, "west", EnumFacing.WEST),
		SOUTH(3, "south", EnumFacing.SOUTH), NORTH(4, "north", EnumFacing.NORTH), UP_Z(5, "up_z", EnumFacing.UP),
		UP_X(6, "up_x", EnumFacing.UP), DOWN_Z(7, "down_z", EnumFacing.DOWN);

		private static final BlockLever.EnumOrientation[] META_LOOKUP = new BlockLever.EnumOrientation[values().length];
		private final int meta;
		private final String name;
		private final EnumFacing facing;

		private EnumOrientation(int meta, String name, EnumFacing facing) {
			this.meta = meta;
			this.name = name;
			this.facing = facing;
		}

		public int getMetadata() {
			return this.meta;
		}

		public EnumFacing getFacing() {
			return this.facing;
		}

		public String toString() {
			return this.name;
		}

		public static BlockLever.EnumOrientation byMetadata(int meta) {
			if (meta < 0 || meta >= META_LOOKUP.length) {
				meta = 0;
			}

			return META_LOOKUP[meta];
		}

		public static BlockLever.EnumOrientation forFacings(EnumFacing clickedSide, EnumFacing entityFacing) {
			switch (clickedSide) {
			case DOWN:
				switch (entityFacing.getAxis()) {
				case X:
					return DOWN_X;

				case Z:
					return DOWN_Z;

				default:
					throw new IllegalArgumentException(
							"Invalid entityFacing " + entityFacing + " for facing " + clickedSide);
				}

			case UP:
				switch (entityFacing.getAxis()) {
				case X:
					return UP_X;

				case Z:
					return UP_Z;

				default:
					throw new IllegalArgumentException(
							"Invalid entityFacing " + entityFacing + " for facing " + clickedSide);
				}

			case NORTH:
				return NORTH;

			case SOUTH:
				return SOUTH;

			case WEST:
				return WEST;

			case EAST:
				return EAST;

			default:
				throw new IllegalArgumentException("Invalid facing: " + clickedSide);
			}
		}

		public String getName() {
			return this.name;
		}

		static {
			for (BlockLever.EnumOrientation blocklever$enumorientation : values()) {
				META_LOOKUP[blocklever$enumorientation.getMetadata()] = blocklever$enumorientation;
			}
		}
	}
}
